Phase 1 Performance Alpha A10 Lightweight Neck Gaiter is constructed using our high-performance 100% Acclimate Dry Polyester Eyelet Mesh. Lightweight, superior moisture management, incredible next-to-skin comfort and durable. Acclimate Dry moisture management and Ag47 anti-microbial/anti-odor will keep your face protected, comfortable and odor-free. Utilizing Clean Seam flat-seaming to provide a comfortable contoured next-to-skin fit that fits close to the face and neck but does not constrict.